import { expect, it } from "@effect/vitest";import { describe } from "vite-plus/test"; import {  assetResponseHeaders,  downloadContentDisposition,  isLoopbackHostname,  resolveDevRedirectUrl,} from "./http.ts"; describe("http dev routing", () => {  it("treats localhost and loopback addresses as local", () => {    expect(isLoopbackHostname("127.0.0.1")).toBe(true);    expect(isLoopbackHostname("localhost")).toBe(true);    expect(isLoopbackHostname("::1")).toBe(true);    expect(isLoopbackHostname("[::1]")).toBe(true);  });   it("does not treat LAN addresses as local", () => {    expect(isLoopbackHostname("192.168.86.35")).toBe(false);    expect(isLoopbackHostname("10.0.0.24")).toBe(false);    expect(isLoopbackHostname("example.local")).toBe(false);  });   it("preserves path and query when redirecting to the dev server", () => {    const devUrl = new URL("http://127.0.0.1:5173/");    const requestUrl = new URL("http://127.0.0.1:3774/pair?token=test-token");     expect(resolveDevRedirectUrl(devUrl, requestUrl)).toBe(      "http://127.0.0.1:5173/pair?token=test-token",    );  });}); describe("assetResponseHeaders", () => {  it("sandboxes SVG assets", () => {    expect(assetResponseHeaders("/attachments/user-image.svg")).toMatchObject({      "Content-Security-Policy": "default-src 'none'; style-src 'unsafe-inline'; sandbox",      "X-Content-Type-Options": "nosniff",    });    expect(assetResponseHeaders("/attachments/user-image.SVG")).toHaveProperty(      "Content-Security-Policy",    );  });   it("does not apply document policy to raster images", () => {    expect(assetResponseHeaders("/attachments/user-image.png")).toEqual({      "Cache-Control": "private, max-age=3600",      "X-Content-Type-Options": "nosniff",    });  });   it("declares utf-8 for HTML assets so non-ASCII content renders correctly", () => {    expect(assetResponseHeaders("/workspace/page.html")).toHaveProperty(      "Content-Type",      "text/html; charset=utf-8",    );    expect(assetResponseHeaders("/workspace/PAGE.HTM")).toHaveProperty(      "Content-Type",      "text/html; charset=utf-8",    );  });   it("downloads uploaded documents without executing their content", () => {    expect(assetResponseHeaders("/attachments/upload.html", { download: true })).toMatchObject({      "Content-Disposition": "attachment",      "Content-Security-Policy": "default-src 'none'; sandbox",      "Content-Type": "application/octet-stream",    });  });   it("serves the real filename and mime type when the claims carry them", () => {    expect(      assetResponseHeaders("/attachments/thread-1-abc-pdf.pdf", {        download: true,        fileName: "Q3 report.pdf",        mimeType: "application/pdf",      }),    ).toMatchObject({      "Content-Disposition": 'attachment; filename="Q3 report.pdf"',      "Content-Security-Policy": "default-src 'none'; sandbox",      "Content-Type": "application/pdf",    });  });   it("keeps renderable mime types as octet-stream downloads", () => {    for (const mimeType of [      "text/html",      "text/xml",      "image/svg+xml",      "application/xhtml+xml",      "application/rss+xml",      "APPLICATION/XML",      "IMAGE/SVG+XML",      "application/xml-dtd",      "application/xml-external-parsed-entity",      "not a mime",    ]) {      expect(        assetResponseHeaders("/attachments/upload.bin", { download: true, mimeType }),      ).toHaveProperty("Content-Type", "application/octet-stream");    }  });   it("preserves official Office Open XML mime types", () => {    for (const mimeType of [      "application/vnd.openxmlformats-officedocument.wordprocessingml.document",      "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",      "application/vnd.openxmlformats-officedocument.presentationml.presentation",    ]) {      expect(        assetResponseHeaders("/attachments/upload.bin", { download: true, mimeType }),      ).toHaveProperty("Content-Type", mimeType);    }  });}); describe("downloadContentDisposition", () => {  it("quotes plain names and strips quotes and control characters", () => {    expect(downloadContentDisposition("report.pdf")).toBe('attachment; filename="report.pdf"');    expect(downloadContentDisposition('we"ird\n.pdf')).toBe('attachment; filename="we_ird_.pdf"');  });   it("adds an RFC 5987 encoded name for non-ASCII filenames", () => {    expect(downloadContentDisposition("répört.pdf")).toBe(      `attachment; filename="r_p_rt.pdf"; filename*=UTF-8''r%C3%A9p%C3%B6rt.pdf`,    );    expect(downloadContentDisposition("résumé'(*).pdf")).toBe(      `attachment; filename="r_sum_'(*).pdf"; filename*=UTF-8''r%C3%A9sum%C3%A9%27%28%2A%29.pdf`,    );  });   it("does not throw on unpaired surrogates in the filename", () => {    expect(downloadContentDisposition("bad\ud800name.pdf")).toBe(      `attachment; filename="bad_name.pdf"; filename*=UTF-8''bad%EF%BF%BDname.pdf`,    );  });});